33079421 has 2 divisors, whose sum is σ = 33079422. Its totient is φ = 33079420.

The previous prime is 33079411. The next prime is 33079447. The reversal of 33079421 is 12497033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25300900 + 7778521 = 5030^2 + 2789^2 .

It is a cyclic number.

It is not a de Polignac number, because 33079421 - 2⁶ = 33079357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33079411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16539710 + 16539711.

It is an arithmetic number, because the mean of its divisors is an integer number (16539711).

Almost surely, 2^33079421 is an apocalyptic number.

It is an amenable number.

33079421 is a deficient number, since it is larger than the sum of its proper divisors (1).

33079421 is an equidigital number, since it uses as much as digits as its factorization.

33079421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 33079421 is about 5751.4712030923. The cubic root of 33079421 is about 321.0105456175.

The spelling of 33079421 in words is "thirty-three million, seventy-nine thousand, four hundred twenty-one".